... parts,like delivery pipe,elbow,clamp,rubber hose for PM,etc boom parts manufactureThis is the brief ... reducer, (coupling)clamp , male and female flange ,rubber hose,cleaning ball,wear plate etc. Welcome to contact ... DN150,according to your request 6.rubber items( adopt natural rubber) rubber hose:DN 125mm and DN 150mm ... 150mm,DN180,fitting to schwing,PM,etc rubber sponge balls:for all kinds of concrete ...